Finished Infinite Wealth last weekend, and started Rebirth. While still playing Star Ocean: Blue Sphere here and ther. Some thoughts about IW:
First, it was overall a fantastic game. The minigames alone are better than most actual games! I am not even a big AC or Pokemon guy and saw both Dondoko Island and Sujimon through to the end (spending at least 20 hours on Dondoko).
I've got a few issues here and there with the game:
Some of the story beats didn't hit as much as they could have (maybe it's my fault for being a noob to the series whose first one was 7 - I do have plans to play the original 2 on PS2, as well as 0, within the year)
The side missions feel a bit redundant... like 'Hey remember me from Y7? Well now I'm in Hawaii for a deus ex machina reason, doing something that is gonna play out kinda similar to the quest in 7!')
You acquire 2 characters wayyyyy too late in the game, I'll admit I didn't even bother with them at all
Like in 7, the Job system still feels pretty superfluous, I mostly stuck to the characters' default jobs, with the exception of making Saeko an idol for the healing abilities
Wish there were some more dungeons in Hawaii, would've been cool to explore some more volcanoes or tropics, or even spend more time in the Art Walls/Downtown section
Battle theme kinda sucks.
The long-ass random dungeons were kinda boring, even if they were optional.
Drink links weren't as engaging as they were in 7, excepting Nanba's.
But there was a lot to love:
Characters are as enjoyable as ever, and the game had the right combination of laugh-out-loud moments with poignant ones
While it seemed overwhelming with all the side content, the game was probably paced as well as it could've been (excepting the 2 characters that unlock late, and the slowdown in pacing once you hit chapter
Some banger tunes here and there, I loved the Barracuda theme and Dwight's in particular
Chaining enemies into one another and the subtle improvements to the battle system, like seeing attack trajectories, or when you can pick up melee weapons, made combat fun
Once again, the minigames were all enjoyable and had me wanting to play each to completion